Vacuum cleaner base



FIG. 1 is a front perspective view of a vacuum cleaner base showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof, the right side view thereof being a mirror image of the left side view thereof; and,

FIG. 5 is a top view thereof.

The bottom view is unornamented. 

The ornamental design for a vacuum cleaner base, as shown and described. 